In Model Builder, using minimum bounding geometry tool, whenever my output is our enterprise geodatabase the group field has no values BUT the grouping is done correctly. Writing to "In_Memory" OR another output type results in a populated group field. WHY???????
With issues like this, or even just in general, it helps to provide some basic platform and version information. What version of ArcMap or ArcGIS Pro are you using? What version is your enterprise geodatabase? What DBMS is your enterprise geodatabase stored in?
I guess I a more voicing my frustration with time lost than looking for an answer ha ha ha. But it is SQL Server and ArcMap 10.4.1. Not sure the version of the enterprise geodatabse. It might be a bug cause if I output to "in_memory" and then write to the same geodatabase the field is populated.